How about Changsha Zhengqi Patent Office?

Changsha Zhengqi Patent Office is good.

Changsha Zhengqi Patent Office Co., Ltd., formerly known as Hunan Patent Service Center established in 1983, belongs to the intellectual property service industry. Zhengqi Patent Office focuses on providing intellectual property services such as patent application agency, patent litigation agency and enterprise patent consultant. It is an excellent patent agency in Hunan province and an advanced collective in the national patent system, which shows that Changsha Zhengqi Patent Office is good.

Changsha Zhengqi Patent Office is a large-scale patent agency with a long history in Hunan Province, and the number of patent agents has been in the forefront of Hunan Province for 30 consecutive years.